PT Journal
AU Helo, JC
   Hirsch, M
   Ota, T
TI Proton decay and light sterile neutrinos
SO Journal of High Energy Physics
JI J. High Energy Phys.
PY 2018
BP 047
EP 15pp
VL 06
IS 6
DI 10.1007/JHEP06(2018)047
LA English
DE Beyond Standard Model; Neutrino Physics
AB Within the standard model, non-renormalizable operators at dimension six (d = 6) violate baryon and lepton number by one unit and thus lead to proton decay. Here, we point out that the proton decay mode with a charged pion and missing energy can be a characteristic signature of d = 6 operators containing a light sterile neutrino, if it is not accompanied by the standard pi(0)e(+) final state. We discuss this effect first at the level of effective operators and then provide a concrete model with new physics at the TeV scale, in which the lightness of the active neutrinos and the stability of the proton are related.
ER